Where does “autofunção” come from?
autofunção (Portuguese) comes from Portuguese função, from Latin functiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.
autofunção (Portuguese): eigenfunction
Ancestry of “autofunção”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | função | function |
| 2 | Latin | functiō | — |
| 3 | Latin | -tiō | — |
| 4 | Latin | dissertātiō | — |
| 5 | Latin | dissertus | arranged, disposed; explained |
| 6 | Latin | disserere | second-person singular future passive indicative... |
| 7 | Latin | dis- | asunder, apart, in two; reversal, removal;... |
| 8 | Latin | calceus | shoe |
| 9 | Latin | calx | limestone; chalk; the finish line |
| 10 | Ancient Greek | χάλιξ | small stone, pebble; gravel, rubble |